Serametakun, Daranee, Anong Soontranont, and Chamaiporn Nuanamnuoysiri. “ Chiang Rai Province”. Journal of The Royal Thai Army Nurses 24, no. 3 (December 10, 2023): 440–448. Accessed May 9, 2024. https://he01.tci-thaijo.org/index.php/JRTAN/article/view/266335.